"Zenon: Girl of the 21st Century" is a Disney Channel original movie that premiered in 1999. The film follows a 13-year-old girl named Zenon Kar who lives in a futuristic space station in the year 2049. Zenon is adventurous and curious, often getting into trouble due to her rebellious spirit. When she is sent to Earth as a punishment, Zenon struggles to adapt to life on the planet. She discovers a plot that threatens her space home and teams up with new friends to save the day. The movie explores themes of friendship, innovation, and the importance of believing in oneself.